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61056290 = 2537473511
BaseRepresentation
bin1110100011101…
…0010100100010
311020212222111002
43220322110202
5111112300130
610020352002
71340653451
oct350722442
9136788432
1061056290
1131512549
1218545602
13c8599a9
148174b98
155560b45
hex3a3a522

61056290 has 32 divisors (see below), whose sum is σ = 115305984. Its totient is φ = 23250240.

The previous prime is 61056287. The next prime is 61056311. The reversal of 61056290 is 9265016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15635 + ... + 19145.

It is an arithmetic number, because the mean of its divisors is an integer number (3603312).

Almost surely, 261056290 is an apocalyptic number.

61056290 is a deficient number, since it is larger than the sum of its proper divisors (54249694).

61056290 is a wasteful number, since it uses less digits than its factorization.

61056290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 61056290 is about 7813.8524429375. The cubic root of 61056290 is about 393.7707660166.

The spelling of 61056290 in words is "sixty-one million, fifty-six thousand, two hundred ninety".

Divisors: 1 2 5 10 37 47 74 94 185 235 370 470 1739 3478 3511 7022 8695 17390 17555 35110 129907 165017 259814 330034 649535 825085 1299070 1650170 6105629 12211258 30528145 61056290